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Presented at SSSI Going Places, 29th March, 2012
GAIA RESOURCES
Open Source5 Myths
Andrew DennisonGaia Resources
Open Source vs Open Standards vs Open Data
What’s it all about?
“Open-source software is software whose source code is published and made available to the public, enabling anyone to copy, modify and redistribute the source code without paying royalties or fees”- Wikipedia
Overview
Overview
“Open source creates a license so that nobody can ever improve the software."
Overview
“If programmers deserve to be rewarded for creating innovative programs, by the same token they deserve to be punished if they restrict the use of these programs.”
Overview
Myth #1Open source software is
unsupported and unreliable
Unsupported?
Oracle 11g vs PostgreSQL/PostGIS benchmarking
• PostGIS was faster in 10 of 13 queries – in most cases much faster
Unreliable?
In 2011 Coverity Inc. reviewed the source code for around 100 proprietary and open source products and found……….
Unreliable?
• Open Source = 0.45 bugs / 1000 lines
• Proprietary = 0.64 bugs / 1000 lines
Myth #2Big companies don’t use
open source software
Myth #3It’s free
Certifications
Integration
TrainingSupport
Online Services
Proprietary Software
Software
Certifications
Integration
TrainingSupport
Online Services
Open Source Software
Myth #4Open Source is Unsustainable
Software
Certifications
Integration
TrainingSupport
Online Services
Certifications
Integration
TrainingSupport
Online Services
Myth #5Open Source
improves faster
Open Source Improves Faster
VS
What about spatial?
Desktop
Database
Javascript Libraries
Webmap Server
• Paul Ramsey – Beyond Nerds Bearing Gifts http://www.fosslc.org/drupal/content/beyond-nerds-bearing-gifts-future-open-source-economy
• Open Source Technology and ESRI http://www.esri.com/news/arcnews/spring11articles/open-source-technology-and-esri.html
• OSGEO - http://www.osgeo.org
• QGIS - http://www.qgis.org
• GeoServer - http://geoserver.org
• OpenLayers - http://openlayers.org
• PostGIS - http://postgis.refractions.net
References and Resources
Questions?
• If you want to know more, please contact me
[email protected]@andrew_dennison
(08) 9227 7309 0459 990 256
• Web site:www.gaiaresources.com.au
